[llvm] [PEI] Materialize registers before calling insertZeroCallUsedRegs (PR #214147)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/CodeGen/PrologEpilogInserter.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
index 15ceb015e..8e3cae80a 100644
--- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
@@ -285,7 +285,7 @@ bool PEIImpl::run(MachineFunction &MF) {
     scavengeFrameVirtualRegs(MF, *RS);
 
   insertZeroCallUsedRegs(MF);
-    
+
   // Warn on stack size when we exceeds the given limit.
   MachineFrameInfo &MFI = MF.getFrameInfo();
   uint64_t StackSize = MFI.getStackSize();

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https://github.com/llvm/llvm-project/pull/214147